40354512 has 80 divisors (see below), whose sum is σ = 118706688. Its totient is φ = 11693440.

The previous prime is 40354487. The next prime is 40354519. The reversal of 40354512 is 21545304.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40354519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10483 + ... + 13805.

Almost surely, 2^40354512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40354512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59353344).

40354512 is an abundant number, since it is smaller than the sum of its proper divisors (78352176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40354512 is a wasteful number, since it uses less digits than its factorization.

40354512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3368 (or 3362 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 40354512 is about 6352.5201298382. The cubic root of 40354512 is about 343.0025641052.

Adding to 40354512 its reverse (21545304), we get a palindrome (61899816).

The spelling of 40354512 in words is "forty million, three hundred fifty-four thousand, five hundred twelve".